@article {2011,
	title = {Invariant manifolds for a singular ordinary differential equation},
	journal = {Journal of Differential Equations 250 (2011) 1788-1827},
	number = {SISSA;04/2008/M},
	year = {2011},
	publisher = {Elsevier},
	doi = {10.1016/j.jde.2010.11.010},
	url = {http://hdl.handle.net/1963/2554},
	author = {Stefano Bianchini and Laura Spinolo}
}
